1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <sys/param.h>
  30 #include <sys/wait.h>
  31 #include <unistd.h>
  32 
  33 #include <vroot/report.h>
  34 #include <vroot/vroot.h>
  35 #include <mksdmsi18n/mksdmsi18n.h>
  36 #include <avo/intl.h>     /* for NOCATGETS */
  37 #include <mk/defs.h>      /* for tmpdir */
  38 
  39 static  FILE    *report_file;
  40 static  FILE    *command_output_fp;
  41 static  char    *target_being_reported_for;
  42 static  char    *search_dir;
  43 static  char    command_output_tmpfile[30];
  44 static  int     is_path = 0;
  45 static  char    sfile[MAXPATHLEN];
  46 extern "C" {
  47 static  void    (*warning_ptr) (char *, ...) = (void (*) (char *, ...)) NULL;
  48 }
  49 
  50 FILE *
  51 get_report_file(void)
  52 {
  53         return(report_file);
  54 }
  55 
  56 char *
  57 get_target_being_reported_for(void)
  58 {
  59         return(target_being_reported_for);
  60 }
  61 
  62 extern "C" {
  63 static void
  64 close_report_file(void)
  65 {
  66         (void)fputs("\n", report_file);
  67         (void)fclose(report_file);
  68 }
  69 } // extern "C"
  70 
  71 static void
  72 clean_up(FILE *nse_depinfo_fp, FILE *merge_fp, char *nse_depinfo_file, char *merge_file, int unlinkf)
  73 {
  74         fclose(nse_depinfo_fp);
  75         fclose(merge_fp);
  76         fclose(command_output_fp);
  77         unlink(command_output_tmpfile);
  78         if (unlinkf)
  79                 unlink(merge_file);
  80         else
  81                 rename(merge_file, nse_depinfo_file);
  82 }
  83 
  84 
  85 /*
  86  *  Update the file, if necessary.  We don't want to rewrite
  87  *  the file if we don't have to because we don't want the time of the file
  88  *  to change in that case.
  89  */
  90 
  91 extern "C" {
  92 static void
  93 close_file(void)
  94 {
  95         char            line[MAXPATHLEN+2];
  96         char            buf[MAXPATHLEN+2];
  97         FILE            *nse_depinfo_fp;
  98         FILE            *merge_fp;
  99         char            nse_depinfo_file[MAXPATHLEN];
 100         char            merge_file[MAXPATHLEN];
 101         char            lock_file[MAXPATHLEN];
 102         int             err;
 103         int             len;
 104         int             changed = 0;
 105         int             file_locked;
 106 
 107         fprintf(command_output_fp, "\n");
 108         fclose(command_output_fp);
 109         if ((command_output_fp = fopen(command_output_tmpfile, "r")) == NULL) {
 110                 return;
 111         }
 112         sprintf(nse_depinfo_file, "%s/%s", search_dir, NSE_DEPINFO);
 113         sprintf(merge_file, NOCATGETS("%s/.tmp%s.%d"), search_dir, NSE_DEPINFO, getpid());
 114         sprintf(lock_file, "%s/%s", search_dir, NSE_DEPINFO_LOCK);
 115         err = file_lock(nse_depinfo_file, lock_file, &file_locked, 0);
 116         if (err) {
 117                 if (warning_ptr != (void (*) (char *, ...)) NULL) {
 118                         (*warning_ptr)(catgets(libmksdmsi18n_catd, 1, 147, "Couldn't write to %s"), nse_depinfo_file);
 119                       }
 120                 unlink(command_output_tmpfile);
 121                 return;
 122         }
 123         /* If .nse_depinfo file doesn't exist */
 124         if ((nse_depinfo_fp = fopen(nse_depinfo_file, "r+")) == NULL) {
 125                 if (is_path) {
 126                         if ((nse_depinfo_fp = 
 127                              fopen(nse_depinfo_file, "w")) == NULL) {
 128                                 fprintf(stderr, catgets(libmksdmsi18n_catd, 1, 148, "Cannot open `%s' for writing\n"),
 129                                     nse_depinfo_file);
 130                                 unlink(command_output_tmpfile);
 131 
 132                                 unlink(lock_file);
 133                                 return;
 134                         }
 135                         while (fgets(line, MAXPATHLEN+2, command_output_fp) 
 136                                != NULL) {
 137                                 fprintf(nse_depinfo_fp, "%s", line);
 138                         }
 139                         fclose(command_output_fp);
 140                 }
 141                 fclose(nse_depinfo_fp);
 142                 if (file_locked) {
 143                         unlink(lock_file);
 144                 }
 145                 unlink(command_output_tmpfile);
 146                 return;
 147         }
 148         if ((merge_fp = fopen(merge_file, "w")) == NULL) {
 149                 fprintf(stderr, catgets(libmksdmsi18n_catd, 1, 149, "Cannot open %s for writing\n"), merge_file);
 150                 if (file_locked) {
 151                         unlink(lock_file);
 152                 }
 153                 unlink(command_output_tmpfile);
 154                 return;
 155         }
 156         len = strlen(sfile);
 157         while (fgets(line, MAXPATHLEN+2, nse_depinfo_fp) != NULL) {
 158                 if (strncmp(line, sfile, len) == 0 && line[len] == ':') {
 159                         while (fgets(buf, MAXPATHLEN+2, command_output_fp) 
 160                                != NULL) {
 161                                 if (is_path) {
 162                                         fprintf(merge_fp, "%s", buf);
 163                                         if (strcmp(line, buf)) {
 164                                                 /* changed */
 165                                                 changed = 1;
 166                                         }
 167                                 }
 168                                 if (buf[strlen(buf)-1] == '\n') {
 169                                         break;
 170                                 }
 171                         }
 172                         if (changed || !is_path) {
 173                                 while (fgets(line, MAXPATHLEN, nse_depinfo_fp)
 174                                        != NULL) {
 175                                         fputs(line, merge_fp);
 176                                 }
 177                                 clean_up(nse_depinfo_fp, merge_fp, 
 178                                          nse_depinfo_file, merge_file, 0);
 179                         } else {
 180                                 clean_up(nse_depinfo_fp, merge_fp, 
 181                                          nse_depinfo_file, merge_file, 1);
 182                         }
 183                         if (file_locked) {
 184                                 unlink(lock_file);
 185                         }
 186                         unlink(command_output_tmpfile);
 187                         return;
 188                 } /* entry found */
 189                 fputs(line, merge_fp);
 190         } 
 191         /* Entry never found.  Add it if there is a search path */
 192         if (is_path) {
 193                 while (fgets(line, MAXPATHLEN+2, command_output_fp) != NULL) {
 194                         fprintf(nse_depinfo_fp, "%s", line);
 195                 }
 196         }
 197         clean_up(nse_depinfo_fp, merge_fp, nse_depinfo_file, merge_file, 1);
 198         if (file_locked) {
 199                 unlink(lock_file);
 200         }
 201 }
 202 
 203 } // extern "C"
 204 
 205 static void
 206 report_dep(char *iflag, char *filename)
 207 {
 208 
 209         if (command_output_fp == NULL) {
 210                 sprintf(command_output_tmpfile, 
 211                         NOCATGETS("%s/%s.%d.XXXXXX"), tmpdir, NSE_DEPINFO, getpid());
 212                 int fd = mkstemp(command_output_tmpfile);
 213                 if ((fd < 0) || (command_output_fp = fdopen(fd, "w")) == NULL) {
 214                         return;
 215                 }
 216                 if ((search_dir = getenv(NOCATGETS("NSE_DEP"))) == NULL) {
 217                         return;
 218                 }
 219                 atexit(close_file);
 220                 strcpy(sfile, filename);
 221                 if (iflag == NULL || *iflag == '\0') {
 222                         return;
 223                 }
 224                 fprintf(command_output_fp, "%s:", sfile);
 225         }
 226         fprintf(command_output_fp, " ");
 227         fprintf(command_output_fp, iflag);
 228         if (iflag != NULL) {
 229                 is_path = 1;
 230         }
 231 }
 232 
 233 void
 234 report_libdep(char *lib, char *flag)
 235 {
 236         char            *ptr;
 237         char            filename[MAXPATHLEN];
 238         char            *p;
 239 
 240         if ((p= getenv(SUNPRO_DEPENDENCIES)) == NULL) {
 241                 return;
 242         }
 243         ptr = strchr(p, ' ');
 244         if(ptr) {
 245                 sprintf(filename, "%s-%s", ptr+1, flag);
 246                 is_path = 1;
 247                 report_dep(lib, filename);
 248         }
 249 }
 250 
 251 void
 252 report_search_path(char *iflag)
 253 {
 254         char            curdir[MAXPATHLEN];
 255         char            *sdir;
 256         char            *newiflag;
 257         char            filename[MAXPATHLEN];
 258         char            *p, *ptr;
 259 
 260         if ((sdir = getenv(NOCATGETS("NSE_DEP"))) == NULL) {
 261                 return;
 262         }
 263         if ((p= getenv(SUNPRO_DEPENDENCIES)) == NULL) {
 264                 return;
 265         }
 266         ptr = strchr(p, ' ');
 267         if( ! ptr ) {
 268                 return;
 269         }
 270         sprintf(filename, NOCATGETS("%s-CPP"), ptr+1);
 271         getcwd(curdir, sizeof(curdir));
 272         if (strcmp(curdir, sdir) != 0 && strlen(iflag) > 2 && 
 273             iflag[2] != '/') {
 274                 /* Makefile must have had an "cd xx; cc ..." */
 275                 /* Modify the -I path to be relative to the cd */
 276                 newiflag = (char *)malloc(strlen(iflag) + strlen(curdir) + 2);
 277                 sprintf(newiflag, "-%c%s/%s", iflag[1], curdir, &iflag[2]);
 278                 report_dep(newiflag, filename);
 279         } else {
 280                 report_dep(iflag, filename);
 281         }
 282 }
 283 
 284 void
 285 report_dependency(const char *name)
 286 {
 287         register char   *filename;
 288         char            buffer[MAXPATHLEN+1];
 289         register char   *p;
 290         register char   *p2;
 291         char            nse_depinfo_file[MAXPATHLEN];
 292 
 293         if (report_file == NULL) {
 294                 if ((filename= getenv(SUNPRO_DEPENDENCIES)) == NULL) {
 295                         report_file = (FILE *)-1;
 296                         return;
 297                 }
 298                 if (strlen(filename) == 0) {
 299                         report_file = (FILE *)-1;
 300                         return;
 301                 }
 302                 (void)strcpy(buffer, name);
 303                 name = buffer;
 304                 p = strchr(filename, ' ');
 305                 if(p) {
 306                         *p= 0;
 307                 } else {
 308                         report_file = (FILE *)-1;
 309                         return;
 310                 }
 311                 if ((report_file= fopen(filename, "a")) == NULL) {
 312                         if ((report_file= fopen(filename, "w")) == NULL) {
 313                                 report_file= (FILE *)-1;
 314                                 return;
 315                         }
 316                 }
 317                 atexit(close_report_file);
 318                 if ((p2= strchr(p+1, ' ')) != NULL)
 319                         *p2= 0;
 320                 target_being_reported_for= (char *)malloc((unsigned)(strlen(p+1)+1));
 321                 (void)strcpy(target_being_reported_for, p+1);
 322                 (void)fputs(p+1, report_file);
 323                 (void)fputs(":", report_file);
 324                 *p= ' ';
 325                 if (p2 != NULL)
 326                         *p2= ' ';
 327         }
 328         if (report_file == (FILE *)-1)
 329                 return;
 330         (void)fputs(name, report_file);
 331         (void)fputs(" ", report_file);
 332 }
 333 
 334 #ifdef MAKE_IT
 335 void
 336 make_it(filename)
 337         register char   *filename;
 338 {
 339         register char   *command;
 340         register char   *argv[6];
 341         register int    pid;
 342         union wait      foo;
 343 
 344         if (getenv(SUNPRO_DEPENDENCIES) == NULL) return;
 345         command= alloca(strlen(filename)+32);
 346         (void)sprintf(command, NOCATGETS("make %s\n"), filename);
 347         switch (pid= fork()) {
 348                 case 0: /* child */
 349                         argv[0]= NOCATGETS("csh");
 350                         argv[1]= NOCATGETS("-c");
 351                         argv[2]= command;
 352                         argv[3]= 0;                     
 353                         (void)dup2(2, 1);
 354                         execve(NOCATGETS("/bin/sh"), argv, environ);
 355                         perror(NOCATGETS("execve error"));
 356                         exit(1);
 357                 case -1: /* error */
 358                         perror(NOCATGETS("fork error"));
 359                 default: /* parent */
 360                         while (wait(&foo) != pid);};
 361 }
 362 #endif
 363